# United States tariff lines under HS 9001.90

> The United States tariff splits HS 9001.90 (optical fibers and optical fiber bundles; optical fiber cables other than those of heading 8544; sheets and plates of polarizing material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked) into 5 national lines: 9001.90.40.00 (lenses), 9001.90.50.00 (prisms), 9001.90.60.00 (mirrors), 9001.90.80.00 (halftone screens designed for use in engraving or photographic processes) and 1 other. Every United States line under 9001.90 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/900190
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 90](https://border.bot/countries/united-states/hs-codes/90) / [9001.90](https://border.bot/countries/united-states/hs-codes/900190)

## Key facts

- HS subheading: [9001.90](https://border.bot/hs-codes/900190)
- Duty (MFN): Free
- National lines: 5
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 90: Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

## United States lines under 9001.90

The United States tariff splits HS 9001.90 (optical fibers and optical fiber bundles; optical fiber cables other than those of heading 8544; sheets and plates of polarizing material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked) into 5 national lines: 9001.90.40.00 (lenses), 9001.90.50.00 (prisms), 9001.90.60.00 (mirrors), 9001.90.80.00 (halftone screens designed for use in engraving or photographic processes) and 1 other.

Every United States line under 9001.90 is free of general (MFN) duty.

- [9001.90.40.00](https://border.bot/countries/united-states/hs-codes/9001904000) Other, Lenses. Duty (MFN): free
- [9001.90.50.00](https://border.bot/countries/united-states/hs-codes/9001905000) Other, Prisms. Duty (MFN): free
- [9001.90.60.00](https://border.bot/countries/united-states/hs-codes/9001906000) Other, Mirrors. Duty (MFN): free
- [9001.90.80.00](https://border.bot/countries/united-states/hs-codes/9001908000) Other, Other, Halftone screens designed for use in engraving or photographic processes. Duty (MFN): free
- [9001.90.90.00](https://border.bot/countries/united-states/hs-codes/9001909000) Other, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 9001.90 yet.

- [The Harmonized System text for 9001.90](https://border.bot/hs-codes/900190)

- Previous subheading: [9001.50](https://border.bot/countries/united-states/hs-codes/900150) Optical fibers and optical fiber bundles; optical fiber cables other than those of heading 8544; sheets and plates of polarizing material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked
- Next subheading: [9002.11](https://border.bot/countries/united-states/hs-codes/900211) For cameras, projectors or photographic enlargers or reducers

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 9001.90?

The United States tariff splits HS 9001.90 (optical fibers and optical fiber bundles; optical fiber cables other than those of heading 8544; sheets and plates of polarizing material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked) into 5 national lines: 9001.90.40.00 (lenses), 9001.90.50.00 (prisms), 9001.90.60.00 (mirrors), 9001.90.80.00 (halftone screens designed for use in engraving or photographic processes) and 1 other.

### What is the duty on HS 9001.90 in the United States?

Every United States line under 9001.90 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/900190.json